Home / 2,151,646.80-3,226,087.80-889,976.40

Finding the Fourth Proportional to 2,151,646.80, 3,226,087.80 and 889,976.40

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Solution

The fourth proportional to 2,151,646.80, 3,226,087.80 and 889,976.40 is: 1,334,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,646.80 : 3,226,087.80 = 889,976.40 : x
  2. Step 2: Convert to fraction form
    2,151,646.80/3,226,087.80 = 889,976.40/x
  3. Step 3: Cross multiply
    2,151,646.80x = 3,226,087.80 × 889,976.40
  4. Step 4: Simplify right side
    2,151,646.80x = 2,871,142,006,327.92
  5. Step 5: Solve for x
    x = 2,871,142,006,327.92/2,151,646.80
  6. Step 6: Final answer
    x = 1,334,392.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.